Śrāddha-prayoga: Niyama, Brāhmaṇa-parīkṣā, Kutapa-kāla, Tithi-nyāya, and Vaiṣṇava-phala
क्षयाहस्य तिथैर्विप्र यदि दंडमितिर्भवेत् । विद्धापराह्णि कायां तु श्राद्धं कार्यं विजानता ॥ २६ ॥
kṣayāhasya tithairvipra yadi daṃḍamitirbhavet | viddhāparāhṇi kāyāṃ tu śrāddhaṃ kāryaṃ vijānatā || 26 ||
হে বিপ্ৰ! ক্ষয়াহ দিনত যদি তিথিসমূহ কেৱল দণ্ড-পরিমিত সময়মাত্ৰ হয়, তেন্তে বিধিজ্ঞ লোকে বিদ্ধ-অপৰাহ্ণকালত শ্ৰাদ্ধ কৰিব লাগে।
Sanatkumara (teaching Narada on śrāddha timing rules)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It stresses that ancestral rites (śrāddha) must be aligned with precise sacred time (kāla); correct timing safeguards the rite’s efficacy and honors the pitṛs according to dharma.
Indirectly: by teaching careful, faithful observance of dharmic rites, it cultivates śraddhā (reverent trust) and disciplined devotion—foundational attitudes that support Vishnu-bhakti in the Purāṇic worldview.
Jyotiṣa (Vedāṅga astrology/kalā-nirṇaya): deciding ritual timing using tithi behavior (kṣaya), aparāhṇa (afternoon window), and viddhā (overlap) considerations, including very short ‘daṇḍa’-length tithis.